21575970

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 62741952

約数和(自身を除く): 41165982

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 683, 702, 810, 1053, 1170, 1215, 1366, 1755, 2049, 2106, 2430, 3159, 3415, 3510, 4098, 5265, 6147, 6318, 6830, 8879, 10245, 10530, 12294, 15795, 17758, 18441, 20490, 26637, 30735, 31590, 36882, 44395, 53274, 55323, 61470, 79911, 88790, 92205, 110646, 133185, 159822, 165969, 184410, 239733, 266370, 276615, 331938, 399555, 479466, 553230, 719199, 799110, 829845, 1198665, 1438398, 1659690, 2157597, 2397330, 3595995, 4315194, 7191990, 10787985, 21575970]

約数ペア:

[(1, 21575970), (2, 10787985), (3, 7191990), (5, 4315194), (6, 3595995), (9, 2397330), (10, 2157597), (13, 1659690), (15, 1438398), (18, 1198665), (26, 829845), (27, 799110), (30, 719199), (39, 553230), (45, 479466), (54, 399555), (65, 331938), (78, 276615), (81, 266370), (90, 239733), (117, 184410), (130, 165969), (135, 159822), (162, 133185), (195, 110646), (234, 92205), (243, 88790), (270, 79911), (351, 61470), (390, 55323), (405, 53274), (486, 44395), (585, 36882), (683, 31590), (702, 30735), (810, 26637), (1053, 20490), (1170, 18441), (1215, 17758), (1366, 15795), (1755, 12294), (2049, 10530), (2106, 10245), (2430, 8879), (3159, 6830), (3415, 6318), (3510, 6147), (4098, 5265)]