21485160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1667

約数の個数: 96

約数和(自身を含む): 71758440

約数和(自身を除く): 50273280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1613, 1665, 2220, 2664, 3226, 3330, 4440, 4839, 6452, 6660, 8065, 9678, 12904, 13320, 14517, 16130, 19356, 24195, 29034, 32260, 38712, 48390, 58068, 59681, 64520, 72585, 96780, 116136, 119362, 145170, 179043, 193560, 238724, 290340, 298405, 358086, 477448, 537129, 580680, 596810, 716172, 895215, 1074258, 1193620, 1432344, 1790430, 2148516, 2387240, 2685645, 3580860, 4297032, 5371290, 7161720, 10742580, 21485160]

約数ペア:

[(1, 21485160), (2, 10742580), (3, 7161720), (4, 5371290), (5, 4297032), (6, 3580860), (8, 2685645), (9, 2387240), (10, 2148516), (12, 1790430), (15, 1432344), (18, 1193620), (20, 1074258), (24, 895215), (30, 716172), (36, 596810), (37, 580680), (40, 537129), (45, 477448), (60, 358086), (72, 298405), (74, 290340), (90, 238724), (111, 193560), (120, 179043), (148, 145170), (180, 119362), (185, 116136), (222, 96780), (296, 72585), (333, 64520), (360, 59681), (370, 58068), (444, 48390), (555, 38712), (666, 32260), (740, 29034), (888, 24195), (1110, 19356), (1332, 16130), (1480, 14517), (1613, 13320), (1665, 12904), (2220, 9678), (2664, 8065), (3226, 6660), (3330, 6452), (4440, 4839)]