21601991970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1086073}}^1$

素因数の和:1086116

約数の個数: 96

約数和(自身を含む): 64043611632

約数和(自身を除く): 42441619662

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1989, 2210, 3315, 3978, 6630, 9945, 19890, 1086073, 2172146, 3258219, 5430365, 6516438, 9774657, 10860730, 14118949, 16291095, 18463241, 19549314, 28237898, 32582190, 36926482, 42356847, 48873285, 55389723, 70594745, 84713694, 92316205, 97746570, 110779446, 127070541, 141189490, 166169169, 184632410, 211784235, 240022133, 254141082, 276948615, 332338338, 423568470, 480044266, 553897230, 635352705, 720066399, 830845845, 1200110665, 1270705410, 1440132798, 1661691690, 2160199197, 2400221330, 3600331995, 4320398394, 7200663990, 10800995985, 21601991970]

約数ペア:

[(1, 21601991970), (2, 10800995985), (3, 7200663990), (5, 4320398394), (6, 3600331995), (9, 2400221330), (10, 2160199197), (13, 1661691690), (15, 1440132798), (17, 1270705410), (18, 1200110665), (26, 830845845), (30, 720066399), (34, 635352705), (39, 553897230), (45, 480044266), (51, 423568470), (65, 332338338), (78, 276948615), (85, 254141082), (90, 240022133), (102, 211784235), (117, 184632410), (130, 166169169), (153, 141189490), (170, 127070541), (195, 110779446), (221, 97746570), (234, 92316205), (255, 84713694), (306, 70594745), (390, 55389723), (442, 48873285), (510, 42356847), (585, 36926482), (663, 32582190), (765, 28237898), (1105, 19549314), (1170, 18463241), (1326, 16291095), (1530, 14118949), (1989, 10860730), (2210, 9774657), (3315, 6516438), (3978, 5430365), (6630, 3258219), (9945, 2172146), (19890, 1086073)]