21327096

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 64788480

約数和(自身を除く): 43461384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 47, 56, 73, 74, 84, 94, 111, 141, 146, 148, 168, 188, 219, 222, 259, 282, 292, 296, 329, 376, 438, 444, 511, 518, 564, 584, 658, 777, 876, 888, 987, 1022, 1036, 1128, 1316, 1533, 1554, 1739, 1752, 1974, 2044, 2072, 2632, 2701, 3066, 3108, 3431, 3478, 3948, 4088, 5217, 5402, 6132, 6216, 6862, 6956, 7896, 8103, 10293, 10434, 10804, 12173, 12264, 13724, 13912, 16206, 18907, 20586, 20868, 21608, 24017, 24346, 27448, 32412, 36519, 37814, 41172, 41736, 48034, 48692, 56721, 64824, 72051, 73038, 75628, 82344, 96068, 97384, 113442, 126947, 144102, 146076, 151256, 192136, 226884, 253894, 288204, 292152, 380841, 453768, 507788, 576408, 761682, 888629, 1015576, 1523364, 1777258, 2665887, 3046728, 3554516, 5331774, 7109032, 10663548, 21327096]

約数ペア:

[(1, 21327096), (2, 10663548), (3, 7109032), (4, 5331774), (6, 3554516), (7, 3046728), (8, 2665887), (12, 1777258), (14, 1523364), (21, 1015576), (24, 888629), (28, 761682), (37, 576408), (42, 507788), (47, 453768), (56, 380841), (73, 292152), (74, 288204), (84, 253894), (94, 226884), (111, 192136), (141, 151256), (146, 146076), (148, 144102), (168, 126947), (188, 113442), (219, 97384), (222, 96068), (259, 82344), (282, 75628), (292, 73038), (296, 72051), (329, 64824), (376, 56721), (438, 48692), (444, 48034), (511, 41736), (518, 41172), (564, 37814), (584, 36519), (658, 32412), (777, 27448), (876, 24346), (888, 24017), (987, 21608), (1022, 20868), (1036, 20586), (1128, 18907), (1316, 16206), (1533, 13912), (1554, 13724), (1739, 12264), (1752, 12173), (1974, 10804), (2044, 10434), (2072, 10293), (2632, 8103), (2701, 7896), (3066, 6956), (3108, 6862), (3431, 6216), (3478, 6132), (3948, 5402), (4088, 5217)]