21639150

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 65402064

約数和(自身を除く): 43762914

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 137, 150, 162, 195, 225, 234, 243, 270, 274, 325, 351, 390, 405, 411, 450, 486, 585, 650, 675, 685, 702, 810, 822, 975, 1053, 1170, 1215, 1233, 1350, 1370, 1755, 1781, 1950, 2025, 2055, 2106, 2430, 2466, 2925, 3159, 3425, 3510, 3562, 3699, 4050, 4110, 5265, 5343, 5850, 6075, 6165, 6318, 6850, 7398, 8775, 8905, 10275, 10530, 10686, 11097, 12150, 12330, 15795, 16029, 17550, 17810, 18495, 20550, 22194, 26325, 26715, 30825, 31590, 32058, 33291, 36990, 44525, 48087, 52650, 53430, 55485, 61650, 66582, 78975, 80145, 89050, 92475, 96174, 110970, 133575, 144261, 157950, 160290, 166455, 184950, 240435, 267150, 277425, 288522, 332910, 400725, 432783, 480870, 554850, 721305, 801450, 832275, 865566, 1202175, 1442610, 1664550, 2163915, 2404350, 3606525, 4327830, 7213050, 10819575, 21639150]

約数ペア:

[(1, 21639150), (2, 10819575), (3, 7213050), (5, 4327830), (6, 3606525), (9, 2404350), (10, 2163915), (13, 1664550), (15, 1442610), (18, 1202175), (25, 865566), (26, 832275), (27, 801450), (30, 721305), (39, 554850), (45, 480870), (50, 432783), (54, 400725), (65, 332910), (75, 288522), (78, 277425), (81, 267150), (90, 240435), (117, 184950), (130, 166455), (135, 160290), (137, 157950), (150, 144261), (162, 133575), (195, 110970), (225, 96174), (234, 92475), (243, 89050), (270, 80145), (274, 78975), (325, 66582), (351, 61650), (390, 55485), (405, 53430), (411, 52650), (450, 48087), (486, 44525), (585, 36990), (650, 33291), (675, 32058), (685, 31590), (702, 30825), (810, 26715), (822, 26325), (975, 22194), (1053, 20550), (1170, 18495), (1215, 17810), (1233, 17550), (1350, 16029), (1370, 15795), (1755, 12330), (1781, 12150), (1950, 11097), (2025, 10686), (2055, 10530), (2106, 10275), (2430, 8905), (2466, 8775), (2925, 7398), (3159, 6850), (3425, 6318), (3510, 6165), (3562, 6075), (3699, 5850), (4050, 5343), (4110, 5265)]