21229650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 43766190

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 171, 190, 191, 195, 225, 234, 247, 285, 325, 342, 382, 390, 450, 475, 494, 570, 573, 585, 650, 741, 855, 950, 955, 975, 1146, 1170, 1235, 1425, 1482, 1710, 1719, 1910, 1950, 2223, 2470, 2483, 2850, 2865, 2925, 3438, 3629, 3705, 4275, 4446, 4775, 4966, 5730, 5850, 6175, 7258, 7410, 7449, 8550, 8595, 9550, 10887, 11115, 12350, 12415, 14325, 14898, 17190, 18145, 18525, 21774, 22230, 22347, 24830, 28650, 32661, 36290, 37050, 37245, 42975, 44694, 47177, 54435, 55575, 62075, 65322, 74490, 85950, 90725, 94354, 108870, 111150, 111735, 124150, 141531, 163305, 181450, 186225, 223470, 235885, 272175, 283062, 326610, 372450, 424593, 471770, 544350, 558675, 707655, 816525, 849186, 1117350, 1179425, 1415310, 1633050, 2122965, 2358850, 3538275, 4245930, 7076550, 10614825, 21229650]

約数ペア:

[(1, 21229650), (2, 10614825), (3, 7076550), (5, 4245930), (6, 3538275), (9, 2358850), (10, 2122965), (13, 1633050), (15, 1415310), (18, 1179425), (19, 1117350), (25, 849186), (26, 816525), (30, 707655), (38, 558675), (39, 544350), (45, 471770), (50, 424593), (57, 372450), (65, 326610), (75, 283062), (78, 272175), (90, 235885), (95, 223470), (114, 186225), (117, 181450), (130, 163305), (150, 141531), (171, 124150), (190, 111735), (191, 111150), (195, 108870), (225, 94354), (234, 90725), (247, 85950), (285, 74490), (325, 65322), (342, 62075), (382, 55575), (390, 54435), (450, 47177), (475, 44694), (494, 42975), (570, 37245), (573, 37050), (585, 36290), (650, 32661), (741, 28650), (855, 24830), (950, 22347), (955, 22230), (975, 21774), (1146, 18525), (1170, 18145), (1235, 17190), (1425, 14898), (1482, 14325), (1710, 12415), (1719, 12350), (1910, 11115), (1950, 10887), (2223, 9550), (2470, 8595), (2483, 8550), (2850, 7449), (2865, 7410), (2925, 7258), (3438, 6175), (3629, 5850), (3705, 5730), (4275, 4966), (4446, 4775)]