21660570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 38992230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 53, 57, 90, 95, 106, 114, 159, 171, 190, 239, 265, 285, 318, 342, 477, 478, 530, 570, 717, 795, 855, 954, 1007, 1195, 1434, 1590, 1710, 2014, 2151, 2385, 2390, 3021, 3585, 4302, 4541, 4770, 5035, 6042, 7170, 9063, 9082, 10070, 10755, 12667, 13623, 15105, 18126, 21510, 22705, 25334, 27246, 30210, 38001, 40869, 45315, 45410, 63335, 68115, 76002, 81738, 90630, 114003, 126670, 136230, 190005, 204345, 228006, 240673, 380010, 408690, 481346, 570015, 722019, 1140030, 1203365, 1444038, 2166057, 2406730, 3610095, 4332114, 7220190, 10830285, 21660570]

約数ペア:

[(1, 21660570), (2, 10830285), (3, 7220190), (5, 4332114), (6, 3610095), (9, 2406730), (10, 2166057), (15, 1444038), (18, 1203365), (19, 1140030), (30, 722019), (38, 570015), (45, 481346), (53, 408690), (57, 380010), (90, 240673), (95, 228006), (106, 204345), (114, 190005), (159, 136230), (171, 126670), (190, 114003), (239, 90630), (265, 81738), (285, 76002), (318, 68115), (342, 63335), (477, 45410), (478, 45315), (530, 40869), (570, 38001), (717, 30210), (795, 27246), (855, 25334), (954, 22705), (1007, 21510), (1195, 18126), (1434, 15105), (1590, 13623), (1710, 12667), (2014, 10755), (2151, 10070), (2385, 9082), (2390, 9063), (3021, 7170), (3585, 6042), (4302, 5035), (4541, 4770)]