21779730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 65415168

約数和(自身を除く): 43635438

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 181, 191, 210, 315, 362, 382, 543, 573, 630, 905, 955, 1086, 1146, 1267, 1337, 1629, 1719, 1810, 1910, 2534, 2674, 2715, 2865, 3258, 3438, 3801, 4011, 5430, 5730, 6335, 6685, 7602, 8022, 8145, 8595, 11403, 12033, 12670, 13370, 16290, 17190, 19005, 20055, 22806, 24066, 34571, 38010, 40110, 57015, 60165, 69142, 103713, 114030, 120330, 172855, 207426, 241997, 311139, 345710, 483994, 518565, 622278, 725991, 1037130, 1209985, 1451982, 1555695, 2177973, 2419970, 3111390, 3629955, 4355946, 7259910, 10889865, 21779730]

約数ペア:

[(1, 21779730), (2, 10889865), (3, 7259910), (5, 4355946), (6, 3629955), (7, 3111390), (9, 2419970), (10, 2177973), (14, 1555695), (15, 1451982), (18, 1209985), (21, 1037130), (30, 725991), (35, 622278), (42, 518565), (45, 483994), (63, 345710), (70, 311139), (90, 241997), (105, 207426), (126, 172855), (181, 120330), (191, 114030), (210, 103713), (315, 69142), (362, 60165), (382, 57015), (543, 40110), (573, 38010), (630, 34571), (905, 24066), (955, 22806), (1086, 20055), (1146, 19005), (1267, 17190), (1337, 16290), (1629, 13370), (1719, 12670), (1810, 12033), (1910, 11403), (2534, 8595), (2674, 8145), (2715, 8022), (2865, 7602), (3258, 6685), (3438, 6335), (3801, 5730), (4011, 5430)]