21719696100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{33721}}^1$

素因数の和:33870

約数の個数: 144

約数和(自身を含む): 66737186880

約数和(自身を除く): 45017490780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 113, 114, 150, 190, 226, 228, 285, 300, 339, 380, 452, 475, 565, 570, 678, 950, 1130, 1140, 1356, 1425, 1695, 1900, 2147, 2260, 2825, 2850, 3390, 4294, 5650, 5700, 6441, 6780, 8475, 8588, 10735, 11300, 12882, 16950, 21470, 25764, 32205, 33721, 33900, 42940, 53675, 64410, 67442, 101163, 107350, 128820, 134884, 161025, 168605, 202326, 214700, 322050, 337210, 404652, 505815, 640699, 644100, 674420, 843025, 1011630, 1281398, 1686050, 1922097, 2023260, 2529075, 2562796, 3203495, 3372100, 3810473, 3844194, 5058150, 6406990, 7620946, 7688388, 9610485, 10116300, 11431419, 12813980, 15241892, 16017475, 19052365, 19220970, 22862838, 32034950, 38104730, 38441940, 45725676, 48052425, 57157095, 64069900, 72398987, 76209460, 95261825, 96104850, 114314190, 144797974, 190523650, 192209700, 217196961, 228628380, 285785475, 289595948, 361994935, 381047300, 434393922, 571570950, 723989870, 868787844, 1085984805, 1143141900, 1447979740, 1809974675, 2171969610, 3619949350, 4343939220, 5429924025, 7239898700, 10859848050, 21719696100]

約数ペア:

[(1, 21719696100), (2, 10859848050), (3, 7239898700), (4, 5429924025), (5, 4343939220), (6, 3619949350), (10, 2171969610), (12, 1809974675), (15, 1447979740), (19, 1143141900), (20, 1085984805), (25, 868787844), (30, 723989870), (38, 571570950), (50, 434393922), (57, 381047300), (60, 361994935), (75, 289595948), (76, 285785475), (95, 228628380), (100, 217196961), (113, 192209700), (114, 190523650), (150, 144797974), (190, 114314190), (226, 96104850), (228, 95261825), (285, 76209460), (300, 72398987), (339, 64069900), (380, 57157095), (452, 48052425), (475, 45725676), (565, 38441940), (570, 38104730), (678, 32034950), (950, 22862838), (1130, 19220970), (1140, 19052365), (1356, 16017475), (1425, 15241892), (1695, 12813980), (1900, 11431419), (2147, 10116300), (2260, 9610485), (2825, 7688388), (2850, 7620946), (3390, 6406990), (4294, 5058150), (5650, 3844194), (5700, 3810473), (6441, 3372100), (6780, 3203495), (8475, 2562796), (8588, 2529075), (10735, 2023260), (11300, 1922097), (12882, 1686050), (16950, 1281398), (21470, 1011630), (25764, 843025), (32205, 674420), (33721, 644100), (33900, 640699), (42940, 505815), (53675, 404652), (64410, 337210), (67442, 322050), (101163, 214700), (107350, 202326), (128820, 168605), (134884, 161025)]